Town Hall Address 29 Church St. Keansburg, NJ 07734 United States- Monmouth County Website http://www.keansburgnj.gov County Clerk 732-787-0215 Ext. 111 29 Church St. Keansburg, NJ 07734 United States County Admin 732-787-0215 Ext. 201 29 Church St. Keansburg, NJ 07734 United States Assessor 732-787-0215 Ext. 114 29 Church St. Keansburg, NJ 07734 United States Attorney 732-585-5659 29 Church St. Keansburg, NJ 07734 United States Mayor 732-787-0215 29 Church St. Keansburg, NJ 07734 United States Municipal Court 732-787-0215 29 Church St. Keansburg, NJ 07734 United States County Monmouth